Yamaha DDP-10 Owner's Manual - Page 29
Troubleshooting
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English TROUBLESHOOTING PROBLEM Power does not come on. Hum. No sound. No sound from the center speaker. Poor bass reproduction. Sound output level to the center speaker is lower than other speakers. Sound output level to either or both of the rear surround speakers is lower than other speakers. No output of LFE sound. Whole sound level is low, even though the volume is increased on the amplifier. The difference of sound level between a high level part and a low level part is too great. Noise from nearby TV or tuner. POSSIBLE CAUSE AC cord not properly plugged in. Bad cable connection. Bad or incorrect input or output connections. Incorrect input source selection. Improper input mode selection on the amplifier The signals input to this unit are not encoded with the Dolby Digital (AC-3). The setting of CENTER SPEAKERS is in "PHNTM". The input signals of source encoded with the Dolby Digital (AC-3) do not have center channel signals. The setting of LFE/BASS OUT is in the SWFR or BOTH position, though your system does not include a subwoofer. Output mode selection for each channel (MAIN, CENTER or REAR SPEAKER) is improper. Sound output level to the center speaker is decreased. Sound output level to either or both of the rear surround speakers is decreased. WHAT TO DO Carefully plug AC plug into outlet. Firmly plug in all connection cables. Check connections. Select the input selector button for the source to be played. Select the "6 channel discrete signals" sent from this unit as the input source. Refer to the instructions for the audio/video unit sending signals to this unit or the source played on the unit. Select the NRML or WIDE position. Refer to the instructions for the source currently played. Select the MAIN position. Make output mode selections suitable for your speaker system. Increase the level. Increase the level. The output level of LFE (LFE LEVEL) is low. Output level (OUTPUT TRIM) adjustment on this unit is low. The setting of the DYNAMIC RANGE is at the MAX position. Increase the level. Increase the level. Select the STD position. This unit is too close to the affected equipment. Move the unit further away from the affected equipment. 25